package spring.cloud.demo.web;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;



@RestController
public class ConputeController {
	private final Logger logger = Logger.getLogger(getClass());
	
	@Autowired
	private DiscoveryClient client;
	
	@RequestMapping("/hello")
	public String test(){
		return "hello world";
	}
	
	@RequestMapping(value="/add",method=RequestMethod.GET)
	public Integer add(@RequestParam Integer a,@RequestParam Integer b){
		ServiceInstance instance = client.getLocalServiceInstance();
		Integer r = a+b;
		logger.info("/add, host:"+instance.getHost() +", service_id:"+instance.getServiceId() +", result:"+r);
		return r;
	}
}
